If you are installing a trial version of the product, you do not need to enter a serial number. Just click "Next" and fill out your contact information to install Acronis True Image Home 2010 in trial mode
Comparison chart on Acronis True Image Home 2010 and Acronis True Image Home 2010 Netbook Edition features
Acronis Backup & Recovery 10 Agent for ESX/ESXi supports VMware ESX Infrastructure version 3.5 Update 2 and higher
Acronis Backup & Recovery 10 must be installed before installing Acronis Universal Restore
Trial version of Acronis Backup & Recovery 10 requires a unique license key, works for 15 days. Trial versions of advanced editions include deduplication and allow for an unlimited number of Agents
Acronis True Image 9.1 and older versions do not support Windows Vista or Windows Server 2008
Table of operating systems supported by Acronis products
List of limitations for trial versions of Acronis products
How to upgrade from Acronis True Image Echo Server for Windows/Linux to Acronis Backup & Recovery 10 Server for Windows/Linux
Acronis Backup & Recovery 10 Agents on the machines where Acronis True Image Echo Agents and local versions are installed